The Marshalling Station is a key crunode of the railway network, its work is fulfilled by multitype workers of different departments.

编铁路运输网络上的关键结点，其作由不部、种联合劳动、共协作完成的。

The Marshalling Station is a key crunode of the railway network whose work is fulfilled by multitype workers of different departments .

编铁路运输网络上的关键节点,其作由不部、种联合劳动、共协作完成的。